Sanitary Discs
Sanitary rupture disc KRD
Safety · Rupture Discs
Manufacturer: 
DonadonSDD's KRD reverse acting rupture discs are critical safety devices that protect your industrial plant by preventing sudden pressure build-ups. Reverse acting rupture discs have a convex disc camber that remains unaltered under operating pressure until reverse pressure is reached and this can ensure long service life. DonadonSDD KRD rupture discs uses advanced sector technology and provide targeted and precise protection in the most demanding applications making DonadonSDD KRD rupture discs an optimal safety choice for plants dealing with extreme conditions. Its specific design makes the KRD ideal to offer pressure protection to equipment where Full Liquid fluid is present.
Technical data
- KRD
- Sanitary Rupture Discs
- Materials
- Stainless steel, Alloy 201, Alloy 400, Alloy 600, Alloy 625, Alloy C276, Titanium
- Dimensions
- From DN15 (½ inch) to DN900 (36 inches)
- Rupture pressure
- 0.1 - 8 bar g (Depending on size and material)
- Tolerance
- from +/- 5 % to +/- 20%
- Operating temperature
- Max 260°C (Gaskets in PTFE)
- Fragmentation
- No
- Use in combination with PSV
- Suitable
- Operating margin
- 90% - Can reach up to 95% depending on service conditions.
- Resistance to vacuum pressure
- Yes, self-supporting under vacuum conditions
- Corrosion resistance
- Very Good
- Linings
- Available in PTFE and PFA
- Rupture sensor
- Electrical
- Operation Ratio
- up to 95%
- Non Fragmenting
- yes
- Vacuum Resistant
- yes
- Sanitary
- yes
- Liquid
- yes
